Home / 163,011.56-224,966.76-91,396.20

Finding the Fourth Proportional to 163,011.56, 224,966.76 and 91,396.20

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Solution

The fourth proportional to 163,011.56, 224,966.76 and 91,396.20 is: 126,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,011.56 : 224,966.76 = 91,396.20 : x
  2. Step 2: Convert to fraction form
    163,011.56/224,966.76 = 91,396.20/x
  3. Step 3: Cross multiply
    163,011.56x = 224,966.76 × 91,396.20
  4. Step 4: Simplify right side
    163,011.56x = 20,561,106,990.31
  5. Step 5: Solve for x
    x = 20,561,106,990.31/163,011.56
  6. Step 6: Final answer
    x = 126,132.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.